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Constituents 8vo, 2 50 



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Second Edition, Revised and Enlarged 8vo, 3 50 



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RAILWAY ENGINEERING. 



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Fisher's Table of Cubic Yards Cardboard, 25 



Godwin's Railroad Engineers' Field-book and Explorers' Guide. . 16mo, mor. 2 50 

 Hudson's Tables for Calculating the Cubic Contents of Excavations and Em- 

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Ives and Hilts's Problems in Surveying, Railroad Surveying and Geodesy 



16mo, mor. 1 50 



Molitor and Beard's Manual for Resident Engineers 16mo, 1 00 



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Raymond's Railroad Engineering. 3 volumes. 



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Webb's Economics of Railroad Construction Large 12mo, 2 50 



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9 



